1.1 --- a/ompi/mca/btl/openib/btl_openib_component.c	Wed Feb 20 21:27:01 2013 +0000
     1.2 +++ b/ompi/mca/btl/openib/btl_openib_component.c	Wed Feb 20 21:42:13 2013 +0000
     1.3 @@ -2573,6 +2573,10 @@
     1.4      init_data->order = mca_btl_openib_component.rdma_qp;
     1.5      init_data->list = &mca_btl_openib_component.send_user_free;
     1.6  
     1.7 +    /* Align fragments on 8-byte boundaries (instead of 2) to fix bus errors that
     1.8 +       occur on some 32-bit platforms. Depending on the size of the fragment this
     1.9 +       will waste 2-6 bytes of space per frag. In most cases this shouldn't waste
    1.10 +       any space. */
    1.11      if (OMPI_SUCCESS != ompi_free_list_init_ex_new(
    1.12                  &mca_btl_openib_component.send_user_free,
    1.13                  sizeof(mca_btl_openib_put_frag_t), 8,